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rDNA copy number variation affects yeast fitness in response to different environments
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Kevin Thornton and others
in
Genetics
Genetics, iyaf075, https://doi.org/10.1093/genetics/iyaf075
Published: 03 May 2025
... are the fitness consequences of rDNA copy number variation outside and within the natural range in standard laboratory growth conditions? (2) Do these fitness effects change in different growth conditions? We used growth competitions to compare the fitness effects of rDNA copy number variation in otherwise...
Journal Article
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Heroic heirs: evidence for sexy and competitive sons
Nirjana Dewan and others
in
Evolution
Evolution, qpaf089, https://doi.org/10.1093/evolut/qpaf089
Published: 02 May 2025
... of how selection acts on both males and females. For example, if male-male competition predominates and selection favours harmful, dominant males, then female and population fitness may be compromised. Here, using Drosophila melanogaster, we performed two artificial selection experiments...
Journal Article
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Host identity drives the assembly of phytoplankton microbiomes across a continental scale environmental gradient
P Signe White and others
The ISME Journal, wraf083, https://doi.org/10.1093/ismejo/wraf083
Published: 30 April 2025
.../ ), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Host-associated microbiomes often promote host health, yet the key drivers of microbiome assembly and its consequences for host fitness remain unclear. We aimed...
Journal Article
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Impact of a hybrid, short-term prehabilitation on patient-reported outcomes in patients undergoing lung resection for non-small cell lung cancer
Alice Finch and others
Interdisciplinary CardioVascular and Thoracic Surgery, ivaf107, https://doi.org/10.1093/icvts/ivaf107
Published: 29 April 2025
... more deprived areas. This approach appears to enhance preoperative fitness and PROs for patients undergoing surgery potentially reducing postoperative complications and improving postoperative quality of life. Graphical Abstract Prehabilitation Lung Cancer Surgery NSCLC Resection Patient-Reported...
Journal Article
An inverse relationship between fitness and secretion efficiency in a gram-positive bacterium
Kamilla Wiull and others
in
PNAS Nexus
PNAS Nexus, Volume 4, Issue 5, May 2025, pgaf131, https://doi.org/10.1093/pnasnexus/pgaf131
Published: 28 April 2025
... heterologous proteins and anchoring these using LPxTG anchors can significantly reduce bacterial fitness. To understand the underlying mechanisms and limiting factors, we analyzed 11 recombinant L. plantarum strains expressing the HaloTag reporter protein with the same LPxTG anchor but varying signal...
Journal Article
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Reduced fitness associated with introgression within the Western Mediterranean admixed population of European seabass
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Maeva Leitwein and others
in
Evolution
Evolution, qpaf079, https://doi.org/10.1093/evolut/qpaf079
Published: 17 April 2025
... This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract Unraveling the consequences of hybridization on fitness is of main concern in ecology and evolution. Many...
Journal Article
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T cells of patients with systemic sclerosis or Sjögren’s disease display an aberrant metabolic state and memory phenotype in blood and lungs
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Christine Ehlers and others
in
Rheumatology
Rheumatology, keaf198, https://doi.org/10.1093/rheumatology/keaf198
Published: 17 April 2025
... Recirculating blood T cells of patients with SSc showed a significantly increased CD4+ terminally differentiated effector memory (TEMRA) compartment (p= 0.0171) and impaired mitochondrial fitness. In patients with SjD, blood CD8+ T cells were overall reduced and showed...
Journal Article
Hyperandrogenaemia, polycystic ovary syndrome, and physical fitness in women—a Northern Finland birth cohort study
Katri Tuorila and others
European Journal of Endocrinology, Volume 192, Issue 5, May 2025, Pages 519–528, https://doi.org/10.1093/ejendo/lvaf080
Published: 16 April 2025
.../ ), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Objective To investigate the independent associations of hyperandrogenaemia (HA) and polycystic ovary syndrome (PCOS) with physical fitness in women among the general...
Journal Article
A multigenerational population-growth assay to capture subtle fitness phenotypes in C. elegans and other nematodes
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Sophia C Tintori and others
in
Genetics
Genetics, iyaf073, https://doi.org/10.1093/genetics/iyaf073
Published: 16 April 2025
.../standard-publication-reuse-rights ) Abstract Heritable fitness differences between individuals are the currency of evolution but can be challenging to quantify with precision. A slight probabilistic fitness advantage to one relatively healthy individual over another is often too subtle to detect...
Journal Article
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A systematic review and meta-analysis highlights a link between aerobic fitness and telomere maintenance
Clodagh Ryall and Joshua Denham
The Journals of Gerontology: Series A, glaf068, https://doi.org/10.1093/gerona/glaf068
Published: 15 April 2025
... on our site—for further information please contact journals.permissions@oup.com. Abstract Cardiorespiratory fitness declines with ageing and is a major risk factor of cardiometabolic diseases and early death. Although the benefits of regular exercise are well established, whether maximal oxygen uptake...
Journal Article
Cooperative breeding in birds increases the within-year fecundity mean without increasing the variance: A potential mechanism to buffer environmental uncertainty
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Shicheng Chen and others
Behavioral Ecology, Volume 36, Issue 3, May/June 2025, araf031, https://doi.org/10.1093/beheco/araf031
Published: 11 April 2025
... do not fully understand the demographic mechanisms by which these animals buffer the environmental challenges, because while cooperation typically increases the fitness mean, whether it alters the variance to further reduce the population risk of stochastic extinction is unclear. We addressed...
Journal Article
Role of Phenotypic Switching in the Adaptive Response of Candida tropicalis to Hyperosmotic Stress
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Hugo Felix Perini and others
Medical Mycology, Volume 63, Issue 4, April 2025, myaf035, https://doi.org/10.1093/mmy/myaf035
Published: 11 April 2025
... Additionally, osmotic stress enhances biofilm formation and modifies cell wall composition in Candida spp. 3 Here, we show that prolonged overexpression of virulence and morphological transition genes may contribute to increased cellular fitness under osmotic stress. Our findings...
Journal Article
Precise lineage tracking using molecular barcodes demonstrates fitness trade-offs for ivermectin resistance in nematodes
Zachary C Stevenson and others
G3 Genes|Genomes|Genetics, jkaf081, https://doi.org/10.1093/g3journal/jkaf081
Published: 10 April 2025
... inserted genomic-barcode fitness experiment within an animal model and use this system to precisely measure the influence of the concentration of the anthelmintic compound ivermectin on the strength of selection on an ivermectin resistance cassette. The combination of the trio of knockouts in neuronally...
Journal Article
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Indirect fitness benefits can reinforce the direct fitness benefits of male mate choice
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Avigayil Lev and others
in
Evolution
Evolution, qpaf071, https://doi.org/10.1093/evolut/qpaf071
Published: 09 April 2025
...-publication-reuse-rights ) Abstract Mating preferences frequently evolve because they confer fitness benefits to the chooser. While there is strong evidence for both direct and indirect fitness benefits in the context of female mate choice, the potential for males to receive indirect benefits from mate...
Journal Article
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Validation of the Candrive Older Driver Risk Stratification Tool for Assessing Medical Fitness-to-Drive in Older Australian Drivers
Judith L Charlton and others
The Journals of Gerontology: Series A, glaf071, https://doi.org/10.1093/gerona/glaf071
Published: 08 April 2025
...: Professor Judith L. Charlton, Monash University Accident Research Centre, Monash University, Australia, Email: judith.charlton@monash.edu Medical fitness-to-drive Driving issues Geriatric assessment Primary care Accepted Manuscript Validation of the Candrive Older Driver Risk Stratification Tool...
Journal Article
EDITOR'S CHOICE
Comparison of patient characteristics and health outcomes between self-selected centre-based cardiac rehabilitation and hybrid cardiac telerehabilitation: a prospective cohort study
Prisca Eser and others
European Journal of Preventive Cardiology, zwaf107, https://doi.org/10.1093/eurjpc/zwaf107
Published: 04 April 2025
... rehabilitation was equally effective when performed with thrice weekly supervised exercise training sessions or partly performed at home while monitored with fitness trackers and a biosensor vest. Patients who self-select digitally monitored home training were slightly younger, fitter, and had better quality...
Journal Article
The influence of relatedness on parental reproductive success and offspring fitness in Eastern chipmunks breeding in fluctuating environments
Juliette Frappier-Lecomte and others
Journal of Evolutionary Biology, voaf037, https://doi.org/10.1093/jeb/voaf037
Published: 31 March 2025
... and on their offspring fitness in different breeding contexts. In southern Québec, chipmunks live in a pulse resource system where they anticipate masting events of the American beech (Fagus grandifolia) and breed during the summer preceding and/or the spring following a mast. We found that, within a litter...
Journal Article
Ecological contexts shape sexual selection on male color morphs in wood tiger moths
Eetu Selenius and others
Behavioral Ecology, Volume 36, Issue 3, May/June 2025, araf027, https://doi.org/10.1093/beheco/araf027
Published: 31 March 2025
...) to follow the reproductive fitness. b) Large cage setting To test for differences between male color genotypes under limited morph availability and low encounter rate, we performed a pairwise choice experiment. In each mating 0trial, two males in specific color genotype combinations were offered to a female...
Journal Article
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Long-term warming legacies facilitate invasive plant growth and inhibit enemy performance
Xiao-Hui Zhou and others
Journal of Plant Ecology, rtaf033, https://doi.org/10.1093/jpe/rtaf033
Published: 29 March 2025
... and maternal provenance are important for understanding the cascading effects of climate warming. climate change offspring fitness plant-enemy interaction plant invasions population provenance transgenerational effect Accepted Manuscript Long-term warming legacies facilitate invasive plant growth...
Journal Article
On the Probability of Reaching High Peaks in Fitness Landscapes by Adaptive Walks
Yang Li and Jianzhi Zhang
Molecular Biology and Evolution, Volume 42, Issue 4, April 2025, msaf066, https://doi.org/10.1093/molbev/msaf066
Published: 22 March 2025
... be described by an uphill walk in a fitness landscape. However, climbing the global peak in a multipeak landscape is improbable because of the high chance of being trapped at a local peak. Nonetheless, over three-quarters of simulated adaptive walks in the fitness landscape of the Escherichia coli...
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